Null check in PackageInstallerCompat

Bug: 24582224
Change-Id: I2cd4ca12d48b3316a8a519092118d9e2970d944d
diff --git a/src/com/android/launcher3/compat/PackageInstallerCompatVL.java b/src/com/android/launcher3/compat/PackageInstallerCompatVL.java
index 3ad5101..6424e03 100644
--- a/src/com/android/launcher3/compat/PackageInstallerCompatVL.java
+++ b/src/com/android/launcher3/compat/PackageInstallerCompatVL.java
@@ -107,7 +107,7 @@
         @Override
         public void onProgressChanged(int sessionId, float progress) {
             SessionInfo session = mInstaller.getSessionInfo(sessionId);
-            if (session != null) {
+            if (session != null && session.getAppPackageName() != null) {
                 sendUpdate(new PackageInstallInfo(session.getAppPackageName(),
                         STATUS_INSTALLING,
                         (int) (session.getProgress() * 100)));
@@ -124,7 +124,7 @@
 
         private void pushSessionDisplayToLauncher(int sessionId) {
             SessionInfo session = mInstaller.getSessionInfo(sessionId);
-            if (session != null) {
+            if (session != null && session.getAppPackageName() != null) {
                 addSessionInfoToCahce(session, UserHandleCompat.myUserHandle());
                 LauncherAppState app = LauncherAppState.getInstanceNoCreate();